40987894 has 16 divisors (see below), whose sum is σ = 62572032. Its totient is φ = 20132928.

The previous prime is 40987879. The next prime is 40987907. The reversal of 40987894 is 49878904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55552 + ... + 56284.

It is an arithmetic number, because the mean of its divisors is an integer number (3910752).

Almost surely, 2^40987894 is an apocalyptic number.

40987894 is a deficient number, since it is larger than the sum of its proper divisors (21584138).

40987894 is a wasteful number, since it uses less digits than its factorization.

40987894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 40987894 is about 6402.1788478611. The cubic root of 40987894 is about 344.7877823902.

The spelling of 40987894 in words is "forty million, nine hundred eighty-seven thousand, eight hundred ninety-four".